From b235c358341b288f34cee5936a376f71d0cfbf9a Mon Sep 17 00:00:00 2001 From: Filip Gawin Date: Fri, 27 Mar 2020 21:50:52 +0100 Subject: Cleanup patching system --- src/core/re3.cpp | 54 ------------------------------------------------------ 1 file changed, 54 deletions(-) (limited to 'src/core/re3.cpp') diff --git a/src/core/re3.cpp b/src/core/re3.cpp index ffb2a7a2..a65e6d76 100644 --- a/src/core/re3.cpp +++ b/src/core/re3.cpp @@ -22,62 +22,8 @@ #include "Console.h" #include "Debug.h" -#include -#include #include -std::vector usedAddresses; - -static DWORD protect[2]; -static uint32 protect_address; -static uint32 protect_size; - -void -Protect_internal(uint32 address, uint32 size) -{ - protect_address = address; - protect_size = size; - VirtualProtect((void*)address, size, PAGE_EXECUTE_READWRITE, &protect[0]); -} - -void -Unprotect_internal(void) -{ - VirtualProtect((void*)protect_address, protect_size, protect[0], &protect[1]); -} - -void -InjectHook_internal(uint32 address, uint32 hook, int type) -{ - if(std::any_of(usedAddresses.begin(), usedAddresses.end(), - [address](uint32 value) { return (int32)value == address; })) { - debug("Used address %#06x twice when injecting hook\n", address); - } - - usedAddresses.push_back((int32)address); - - - switch(type){ - case PATCH_JUMP: - VirtualProtect((void*)address, 5, PAGE_EXECUTE_READWRITE, &protect[0]); - *(uint8*)address = 0xE9; - break; - case PATCH_CALL: - VirtualProtect((void*)address, 5, PAGE_EXECUTE_READWRITE, &protect[0]); - *(uint8*)address = 0xE8; - break; - default: - VirtualProtect((void*)((uint32)address + 1), 4, PAGE_EXECUTE_READWRITE, &protect[0]); - break; - } - - *(ptrdiff_t*)(address + 1) = (uintptr_t)hook - (uintptr_t)address - 5; - if(type == PATCH_NOTHING) - VirtualProtect((void*)(address + 1), 4, protect[0], &protect[1]); - else - VirtualProtect((void*)address, 5, protect[0], &protect[1]); -} - void **rwengine = *(void***)0x5A10E1; DebugMenuAPI gDebugMenuAPI; -- cgit v1.2.3